<header class="site-header">
  <nav class="nav-extended z-depth-0 blue">
    <div class="nav-wrapper db">
      <a href="{{ site.baseurl }}/" class="brand-logo"><i class="material-icons">ac_unit</i>KeJun</a>
      <a href="#" data-activates="slide-out" class="button-collapse"><i class="material-icons">menu</i></a>
      <div class="nav-header df">
        <h1>BLOG</h1>
        <div class="ge">My life</div>
      </div>
    </div>
  </nav>
  </nav>
  <nav class="blue">
    <div class="categories-container pin-top" style="top: 0px;">
      <ul class="ct db">
        {% for my_page in site.pages %}
        {% if my_page.title %}
        <li class="">
          <a href="{{ my_page.url | prepend: site.baseurl }}">{{ my_page.title }}</a>
        </li>
        {% endif %}
        {% endfor %}
      </ul>
    </div>
  </nav>
</header>
<main>